Analysis

  • max time kernel
    147s
  • max time network
    164s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    29-05-2022 21:36

General

  • Target

    0d286ef4e3e5c8462a89727efe309b3fead46486590ab5d39f09a457060e38c6.exe

  • Size

    501KB

  • MD5

    b10331a3adbcbaeb291fdd3aaa0b6be4

  • SHA1

    d82f75044514ae3e41fdeda8110b6d1e126044d2

  • SHA256

    0d286ef4e3e5c8462a89727efe309b3fead46486590ab5d39f09a457060e38c6

  • SHA512

    8c237a3421886075eb4e041864d5e4e01bab3f9100222a0e515bfb46d75dc59c4e3770b36b0e14c07ec1bfb346831948f6a38ce8979c39c810ed463e4127f234

Score
10/10

Malware Config

Extracted

Family

limerat

Attributes
  • aes_key

    lavin

  • antivm

    false

  • c2_url

    https://pastebin.com/raw/kgLg0ny1

  • delay

    3

  • download_payload

    false

  • install

    false

  • install_name

    Wservices.exe

  • main_folder

    Temp

  • pin_spread

    false

  • sub_folder

    \

  • usb_spread

    false

Signatures

  • LimeRAT

    Simple yet powerful RAT for Windows machines written in .NET.

  • UPX packed file 2 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • AutoIT Executable 2 IoCs

    AutoIT scripts compiled to PE executables.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SendNotifyMessage 3 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0d286ef4e3e5c8462a89727efe309b3fead46486590ab5d39f09a457060e38c6.exe
    "C:\Users\Admin\AppData\Local\Temp\0d286ef4e3e5c8462a89727efe309b3fead46486590ab5d39f09a457060e38c6.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:624
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
      "C:\\\\Windows\\\\Microsoft.NET\\\\Framework\\\\v2.0.50727\\\\RegAsm.exe"
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1724

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/624-66-0x0000000001100000-0x0000000001226000-memory.dmp

    Filesize

    1.1MB

  • memory/624-55-0x0000000001100000-0x0000000001226000-memory.dmp

    Filesize

    1.1MB

  • memory/624-56-0x00000000009E0000-0x00000000009E8000-memory.dmp

    Filesize

    32KB

  • memory/624-54-0x00000000769D1000-0x00000000769D3000-memory.dmp

    Filesize

    8KB

  • memory/1724-69-0x00000000735A0000-0x0000000074098000-memory.dmp

    Filesize

    11.0MB

  • memory/1724-72-0x0000000074660000-0x0000000074764000-memory.dmp

    Filesize

    1.0MB

  • memory/1724-64-0x0000000000090000-0x000000000009C000-memory.dmp

    Filesize

    48KB

  • memory/1724-65-0x0000000000090000-0x000000000009C000-memory.dmp

    Filesize

    48KB

  • memory/1724-59-0x0000000000090000-0x000000000009C000-memory.dmp

    Filesize

    48KB

  • memory/1724-68-0x0000000074A70000-0x000000007501B000-memory.dmp

    Filesize

    5.7MB

  • memory/1724-57-0x0000000000090000-0x000000000009C000-memory.dmp

    Filesize

    48KB

  • memory/1724-70-0x0000000072E00000-0x000000007359C000-memory.dmp

    Filesize

    7.6MB

  • memory/1724-71-0x0000000074770000-0x000000007490B000-memory.dmp

    Filesize

    1.6MB

  • memory/1724-63-0x0000000000098BDE-mapping.dmp

  • memory/1724-73-0x0000000074330000-0x00000000744B8000-memory.dmp

    Filesize

    1.5MB

  • memory/1724-74-0x0000000072220000-0x0000000072DFE000-memory.dmp

    Filesize

    11.9MB

  • memory/1724-75-0x0000000072120000-0x0000000072211000-memory.dmp

    Filesize

    964KB

  • memory/1724-76-0x0000000071BE0000-0x0000000072116000-memory.dmp

    Filesize

    5.2MB

  • memory/1724-77-0x0000000074A70000-0x000000007501B000-memory.dmp

    Filesize

    5.7MB

  • memory/1724-78-0x00000000735A0000-0x0000000074098000-memory.dmp

    Filesize

    11.0MB

  • memory/1724-79-0x0000000072E00000-0x000000007359C000-memory.dmp

    Filesize

    7.6MB

  • memory/1724-80-0x0000000074770000-0x000000007490B000-memory.dmp

    Filesize

    1.6MB

  • memory/1724-81-0x0000000074660000-0x0000000074764000-memory.dmp

    Filesize

    1.0MB